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Do you have to lift the engine up to replace intake manifold gasket

(2004 Chevrolet Blazer)
in Worcester, MA on April 27, 2011
slow leak from intake manifold gasket
Displaying 3 answers & 0 comments
Popular Answer
on April 27, 2011
the simple answer is no, it does not have to be raised.

on April 27, 2011
Properly relieve the fuel system pressure.

Disconnect the negative battery cable.

Drain the engine cooling system.

Remove or disconnect the following:

Air cleaner outlet duct

A/C compressor pressure switch electrical connector

Harness clip from the cylinder head and fuel raid

Mass Airflow/Intake Air Temperature sensor connector

Disconnect the electrical connectors from the following:

Main coil

Electronic Throttle Control (ETC)

Fuel injectors. Matchmark the connectors, pull the Connector Position Assurance (CPA) retainer up 1 click. Push the tab on the connector in, then detach the injector connector.

Alternator connector

Evaporative emission (EVAP) purge solenoid electrical connector

Knock Sensor (KS) electrical connector

Main coil

Fuel injector electrical connector

Electrical harness clips from the fuel rail

KS harness electrical connector from the intake manifold

Positive Crankcase Ventilation (PCV) valve hose and valve

Heater water shutoff valve actuator inlet hose from the intake manifold

EVAP purge solenoid vent tube

Vacuum brake booster hose from the rear of the intake manifold

Upper engine wire harness retainer nut. Position the wire harness aside.

Intake manifold bolts

Intake manifold and gaskets. Discard the gaskets.

of The Garage Inc on April 27, 2011
Repairs are done with the engine left in it's normal position, the intake is removed from the top. Major repair that could have consequenses if not done correctly.
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